run iptables -A check-icmp -j ACCEPT
## Done.
-for i in INPUT FORWARD; do
- run iptables -A $i -p icmp -j check-icmp
-done
+for i in $inchains; do run ip46tables -A $i -p icmp -j check-icmp; done
m4_divert(-1)
###----- That's all, folks --------------------------------------------------